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<pre><span class="sourceLineNo">001</span>/* ===========================================================<a name="line.1"></a>
<span class="sourceLineNo">002</span> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a>
<span class="sourceLineNo">003</span> * ===========================================================<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * (C) Copyright 2000-2011, by Object Refinery Limited and Contributors.<a name="line.5"></a>
<span class="sourceLineNo">006</span> *<a name="line.6"></a>
<span class="sourceLineNo">007</span> * Project Info:  http://www.jfree.org/jfreechart/index.html<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * This library is free software; you can redistribute it and/or modify it<a name="line.9"></a>
<span class="sourceLineNo">010</span> * under the terms of the GNU Lesser General Public License as published by<a name="line.10"></a>
<span class="sourceLineNo">011</span> * the Free Software Foundation; either version 2.1 of the License, or<a name="line.11"></a>
<span class="sourceLineNo">012</span> * (at your option) any later version.<a name="line.12"></a>
<span class="sourceLineNo">013</span> *<a name="line.13"></a>
<span class="sourceLineNo">014</span> * This library is distributed in the hope that it will be useful, but<a name="line.14"></a>
<span class="sourceLineNo">015</span> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY<a name="line.15"></a>
<span class="sourceLineNo">016</span> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public<a name="line.16"></a>
<span class="sourceLineNo">017</span> * License for more details.<a name="line.17"></a>
<span class="sourceLineNo">018</span> *<a name="line.18"></a>
<span class="sourceLineNo">019</span> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a>
<span class="sourceLineNo">020</span> * License along with this library; if not, write to the Free Software<a name="line.20"></a>
<span class="sourceLineNo">021</span> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,<a name="line.21"></a>
<span class="sourceLineNo">022</span> * USA.<a name="line.22"></a>
<span class="sourceLineNo">023</span> *<a name="line.23"></a>
<span class="sourceLineNo">024</span> * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. <a name="line.24"></a>
<span class="sourceLineNo">025</span> * Other names may be trademarks of their respective owners.]<a name="line.25"></a>
<span class="sourceLineNo">026</span> *<a name="line.26"></a>
<span class="sourceLineNo">027</span> * ---------<a name="line.27"></a>
<span class="sourceLineNo">028</span> * Plot.java<a name="line.28"></a>
<span class="sourceLineNo">029</span> * ---------<a name="line.29"></a>
<span class="sourceLineNo">030</span> * (C) Copyright 2000-2011, by Object Refinery Limited and Contributors.<a name="line.30"></a>
<span class="sourceLineNo">031</span> *<a name="line.31"></a>
<span class="sourceLineNo">032</span> * Original Author:  David Gilbert (for Object Refinery Limited);<a name="line.32"></a>
<span class="sourceLineNo">033</span> * Contributor(s):   Sylvain Vieujot;<a name="line.33"></a>
<span class="sourceLineNo">034</span> *                   Jeremy Bowman;<a name="line.34"></a>
<span class="sourceLineNo">035</span> *                   Andreas Schneider;<a name="line.35"></a>
<span class="sourceLineNo">036</span> *                   Gideon Krause;<a name="line.36"></a>
<span class="sourceLineNo">037</span> *                   Nicolas Brodu;<a name="line.37"></a>
<span class="sourceLineNo">038</span> *                   Michal Krause;<a name="line.38"></a>
<span class="sourceLineNo">039</span> *                   Richard West, Advanced Micro Devices, Inc.;<a name="line.39"></a>
<span class="sourceLineNo">040</span> *                   Peter Kolb - patches 2603321, 2809117;<a name="line.40"></a>
<span class="sourceLineNo">041</span> *<a name="line.41"></a>
<span class="sourceLineNo">042</span> * Changes<a name="line.42"></a>
<span class="sourceLineNo">043</span> * -------<a name="line.43"></a>
<span class="sourceLineNo">044</span> * 21-Jun-2001 : Removed redundant JFreeChart parameter from constructors (DG);<a name="line.44"></a>
<span class="sourceLineNo">045</span> * 18-Sep-2001 : Updated header info and fixed DOS encoding problem (DG);<a name="line.45"></a>
<span class="sourceLineNo">046</span> * 19-Oct-2001 : Moved series paint and stroke methods from JFreeChart<a name="line.46"></a>
<span class="sourceLineNo">047</span> *               class (DG);<a name="line.47"></a>
<span class="sourceLineNo">048</span> * 23-Oct-2001 : Created renderer for LinePlot class (DG);<a name="line.48"></a>
<span class="sourceLineNo">049</span> * 07-Nov-2001 : Changed type names for ChartChangeEvent (DG);<a name="line.49"></a>
<span class="sourceLineNo">050</span> *               Tidied up some Javadoc comments (DG);<a name="line.50"></a>
<span class="sourceLineNo">051</span> * 13-Nov-2001 : Changes to allow for null axes on plots such as PiePlot (DG);<a name="line.51"></a>
<span class="sourceLineNo">052</span> *               Added plot/axis compatibility checks (DG);<a name="line.52"></a>
<span class="sourceLineNo">053</span> * 12-Dec-2001 : Changed constructors to protected, and removed unnecessary<a name="line.53"></a>
<span class="sourceLineNo">054</span> *               'throws' clauses (DG);<a name="line.54"></a>
<span class="sourceLineNo">055</span> * 13-Dec-2001 : Added tooltips (DG);<a name="line.55"></a>
<span class="sourceLineNo">056</span> * 22-Jan-2002 : Added handleClick() method, as part of implementation for<a name="line.56"></a>
<span class="sourceLineNo">057</span> *               crosshairs (DG);<a name="line.57"></a>
<span class="sourceLineNo">058</span> *               Moved tooltips reference into ChartInfo class (DG);<a name="line.58"></a>
<span class="sourceLineNo">059</span> * 23-Jan-2002 : Added test for null axes in chartChanged() method, thanks<a name="line.59"></a>
<span class="sourceLineNo">060</span> *               to Barry Evans for the bug report (number 506979 on<a name="line.60"></a>
<span class="sourceLineNo">061</span> *               SourceForge) (DG);<a name="line.61"></a>
<span class="sourceLineNo">062</span> *               Added a zoom() method (DG);<a name="line.62"></a>
<span class="sourceLineNo">063</span> * 05-Feb-2002 : Updated setBackgroundPaint(), setOutlineStroke() and<a name="line.63"></a>
<span class="sourceLineNo">064</span> *               setOutlinePaint() to better handle null values, as suggested<a name="line.64"></a>
<span class="sourceLineNo">065</span> *               by Sylvain Vieujot (DG);<a name="line.65"></a>
<span class="sourceLineNo">066</span> * 06-Feb-2002 : Added background image, plus alpha transparency for background<a name="line.66"></a>
<span class="sourceLineNo">067</span> *               and foreground (DG);<a name="line.67"></a>
<span class="sourceLineNo">068</span> * 06-Mar-2002 : Added AxisConstants interface (DG);<a name="line.68"></a>
<span class="sourceLineNo">069</span> * 26-Mar-2002 : Changed zoom method from empty to abstract (DG);<a name="line.69"></a>
<span class="sourceLineNo">070</span> * 23-Apr-2002 : Moved dataset from JFreeChart class (DG);<a name="line.70"></a>
<span class="sourceLineNo">071</span> * 11-May-2002 : Added ShapeFactory interface for getShape() methods,<a name="line.71"></a>
<span class="sourceLineNo">072</span> *               contributed by Jeremy Bowman (DG);<a name="line.72"></a>
<span class="sourceLineNo">073</span> * 28-May-2002 : Fixed bug in setSeriesPaint(int, Paint) for subplots (AS);<a name="line.73"></a>
<span class="sourceLineNo">074</span> * 25-Jun-2002 : Removed redundant imports (DG);<a name="line.74"></a>
<span class="sourceLineNo">075</span> * 30-Jul-2002 : Added 'no data' message for charts with null or empty<a name="line.75"></a>
<span class="sourceLineNo">076</span> *               datasets (DG);<a name="line.76"></a>
<span class="sourceLineNo">077</span> * 21-Aug-2002 : Added code to extend series array if necessary (refer to<a name="line.77"></a>
<span class="sourceLineNo">078</span> *               SourceForge bug id 594547 for details) (DG);<a name="line.78"></a>
<span class="sourceLineNo">079</span> * 17-Sep-2002 : Fixed bug in getSeriesOutlineStroke() method, reported by<a name="line.79"></a>
<span class="sourceLineNo">080</span> *               Andreas Schroeder (DG);<a name="line.80"></a>
<span class="sourceLineNo">081</span> * 23-Sep-2002 : Added getLegendItems() abstract method (DG);<a name="line.81"></a>
<span class="sourceLineNo">082</span> * 24-Sep-2002 : Removed firstSeriesIndex, subplots now use their own paint<a name="line.82"></a>
<span class="sourceLineNo">083</span> *               settings, there is a new mechanism for the legend to collect<a name="line.83"></a>
<span class="sourceLineNo">084</span> *               the legend items (DG);<a name="line.84"></a>
<span class="sourceLineNo">085</span> * 27-Sep-2002 : Added dataset group (DG);<a name="line.85"></a>
<span class="sourceLineNo">086</span> * 14-Oct-2002 : Moved listener storage into EventListenerList.  Changed some<a name="line.86"></a>
<span class="sourceLineNo">087</span> *               abstract methods to empty implementations (DG);<a name="line.87"></a>
<span class="sourceLineNo">088</span> * 28-Oct-2002 : Added a getBackgroundImage() method (DG);<a name="line.88"></a>
<span class="sourceLineNo">089</span> * 21-Nov-2002 : Added a plot index for identifying subplots in combined and<a name="line.89"></a>
<span class="sourceLineNo">090</span> *               overlaid charts (DG);<a name="line.90"></a>
<span class="sourceLineNo">091</span> * 22-Nov-2002 : Changed all attributes from 'protected' to 'private'.  Added<a name="line.91"></a>
<span class="sourceLineNo">092</span> *               dataAreaRatio attribute from David M O'Donnell's code (DG);<a name="line.92"></a>
<span class="sourceLineNo">093</span> * 09-Jan-2003 : Integrated fix for plot border contributed by Gideon<a name="line.93"></a>
<span class="sourceLineNo">094</span> *               Krause (DG);<a name="line.94"></a>
<span class="sourceLineNo">095</span> * 17-Jan-2003 : Moved to com.jrefinery.chart.plot (DG);<a name="line.95"></a>
<span class="sourceLineNo">096</span> * 23-Jan-2003 : Removed one constructor (DG);<a name="line.96"></a>
<span class="sourceLineNo">097</span> * 26-Mar-2003 : Implemented Serializable (DG);<a name="line.97"></a>
<span class="sourceLineNo">098</span> * 14-Jul-2003 : Moved the dataset and secondaryDataset attributes to the<a name="line.98"></a>
<span class="sourceLineNo">099</span> *               CategoryPlot and XYPlot classes (DG);<a name="line.99"></a>
<span class="sourceLineNo">100</span> * 21-Jul-2003 : Moved DrawingSupplier from CategoryPlot and XYPlot up to this<a name="line.100"></a>
<span class="sourceLineNo">101</span> *               class (DG);<a name="line.101"></a>
<span class="sourceLineNo">102</span> * 20-Aug-2003 : Implemented Cloneable (DG);<a name="line.102"></a>
<span class="sourceLineNo">103</span> * 11-Sep-2003 : Listeners and clone (NB);<a name="line.103"></a>
<span class="sourceLineNo">104</span> * 29-Oct-2003 : Added workaround for font alignment in PDF output (DG);<a name="line.104"></a>
<span class="sourceLineNo">105</span> * 03-Dec-2003 : Modified draw method to accept anchor (DG);<a name="line.105"></a>
<span class="sourceLineNo">106</span> * 12-Mar-2004 : Fixed clipping bug in drawNoDataMessage() method (DG);<a name="line.106"></a>
<span class="sourceLineNo">107</span> * 07-Apr-2004 : Modified string bounds calculation (DG);<a name="line.107"></a>
<span class="sourceLineNo">108</span> * 04-Nov-2004 : Added default shapes for legend items (DG);<a name="line.108"></a>
<span class="sourceLineNo">109</span> * 25-Nov-2004 : Some changes to the clone() method implementation (DG);<a name="line.109"></a>
<span class="sourceLineNo">110</span> * 23-Feb-2005 : Implemented new LegendItemSource interface (and also<a name="line.110"></a>
<span class="sourceLineNo">111</span> *               PublicCloneable) (DG);<a name="line.111"></a>
<span class="sourceLineNo">112</span> * 21-Apr-2005 : Replaced Insets with RectangleInsets (DG);<a name="line.112"></a>
<span class="sourceLineNo">113</span> * 05-May-2005 : Removed unused draw() method (DG);<a name="line.113"></a>
<span class="sourceLineNo">114</span> * 06-Jun-2005 : Fixed bugs in equals() method (DG);<a name="line.114"></a>
<span class="sourceLineNo">115</span> * 01-Sep-2005 : Moved dataAreaRatio from here to ContourPlot (DG);<a name="line.115"></a>
<span class="sourceLineNo">116</span> * ------------- JFREECHART 1.0.x ---------------------------------------------<a name="line.116"></a>
<span class="sourceLineNo">117</span> * 30-Jun-2006 : Added background image alpha - see bug report 1514904 (DG);<a name="line.117"></a>
<span class="sourceLineNo">118</span> * 05-Sep-2006 : Implemented the MarkerChangeListener interface (DG);<a name="line.118"></a>
<span class="sourceLineNo">119</span> * 11-Jan-2007 : Added some argument checks, event notifications, and many<a name="line.119"></a>
<span class="sourceLineNo">120</span> *               API doc updates (DG);<a name="line.120"></a>
<span class="sourceLineNo">121</span> * 03-Apr-2007 : Made drawBackgroundImage() public (DG);<a name="line.121"></a>
<span class="sourceLineNo">122</span> * 07-Jun-2007 : Added new fillBackground() method to handle GradientPaint<a name="line.122"></a>
<span class="sourceLineNo">123</span> *               taking into account orientation (DG);<a name="line.123"></a>
<span class="sourceLineNo">124</span> * 25-Mar-2008 : Added fireChangeEvent() method - see patch 1914411 (DG);<a name="line.124"></a>
<span class="sourceLineNo">125</span> * 15-Aug-2008 : Added setDrawingSupplier() method with notify flag (DG);<a name="line.125"></a>
<span class="sourceLineNo">126</span> * 13-Jan-2009 : Added notify flag (DG);<a name="line.126"></a>
<span class="sourceLineNo">127</span> * 19-Mar-2009 : Added entity support - see patch 2603321 by Peter Kolb (DG);<a name="line.127"></a>
<span class="sourceLineNo">128</span> * 24-Jun-2009 : Implemented AnnotationChangeListener (see patch 2809117 by<a name="line.128"></a>
<span class="sourceLineNo">129</span> *               PK) (DG);<a name="line.129"></a>
<span class="sourceLineNo">130</span> * 13-Jul-2009 : Plot background image should be clipped if necessary (DG);<a name="line.130"></a>
<span class="sourceLineNo">131</span> *<a name="line.131"></a>
<span class="sourceLineNo">132</span> */<a name="line.132"></a>
<span class="sourceLineNo">133</span><a name="line.133"></a>
<span class="sourceLineNo">134</span>package org.jfree.chart.plot;<a name="line.134"></a>
<span class="sourceLineNo">135</span><a name="line.135"></a>
<span class="sourceLineNo">136</span>import java.awt.AlphaComposite;<a name="line.136"></a>
<span class="sourceLineNo">137</span>import java.awt.BasicStroke;<a name="line.137"></a>
<span class="sourceLineNo">138</span>import java.awt.Color;<a name="line.138"></a>
<span class="sourceLineNo">139</span>import java.awt.Composite;<a name="line.139"></a>
<span class="sourceLineNo">140</span>import java.awt.Font;<a name="line.140"></a>
<span class="sourceLineNo">141</span>import java.awt.GradientPaint;<a name="line.141"></a>
<span class="sourceLineNo">142</span>import java.awt.Graphics2D;<a name="line.142"></a>
<span class="sourceLineNo">143</span>import java.awt.Image;<a name="line.143"></a>
<span class="sourceLineNo">144</span>import java.awt.Paint;<a name="line.144"></a>
<span class="sourceLineNo">145</span>import java.awt.Shape;<a name="line.145"></a>
<span class="sourceLineNo">146</span>import java.awt.Stroke;<a name="line.146"></a>
<span class="sourceLineNo">147</span>import java.awt.geom.Ellipse2D;<a name="line.147"></a>
<span class="sourceLineNo">148</span>import java.awt.geom.Point2D;<a name="line.148"></a>
<span class="sourceLineNo">149</span>import java.awt.geom.Rectangle2D;<a name="line.149"></a>
<span class="sourceLineNo">150</span>import java.io.IOException;<a name="line.150"></a>
<span class="sourceLineNo">151</span>import java.io.ObjectInputStream;<a name="line.151"></a>
<span class="sourceLineNo">152</span>import java.io.ObjectOutputStream;<a name="line.152"></a>
<span class="sourceLineNo">153</span>import java.io.Serializable;<a name="line.153"></a>
<span class="sourceLineNo">154</span><a name="line.154"></a>
<span class="sourceLineNo">155</span>import javax.swing.event.EventListenerList;<a name="line.155"></a>
<span class="sourceLineNo">156</span><a name="line.156"></a>
<span class="sourceLineNo">157</span>import org.jfree.chart.JFreeChart;<a name="line.157"></a>
<span class="sourceLineNo">158</span>import org.jfree.chart.LegendItemCollection;<a name="line.158"></a>
<span class="sourceLineNo">159</span>import org.jfree.chart.LegendItemSource;<a name="line.159"></a>
<span class="sourceLineNo">160</span>import org.jfree.chart.annotations.Annotation;<a name="line.160"></a>
<span class="sourceLineNo">161</span>import org.jfree.chart.axis.AxisLocation;<a name="line.161"></a>
<span class="sourceLineNo">162</span>import org.jfree.chart.entity.EntityCollection;<a name="line.162"></a>
<span class="sourceLineNo">163</span>import org.jfree.chart.entity.PlotEntity;<a name="line.163"></a>
<span class="sourceLineNo">164</span>import org.jfree.chart.event.AnnotationChangeEvent;<a name="line.164"></a>
<span class="sourceLineNo">165</span>import org.jfree.chart.event.AnnotationChangeListener;<a name="line.165"></a>
<span class="sourceLineNo">166</span>import org.jfree.chart.event.AxisChangeEvent;<a name="line.166"></a>
<span class="sourceLineNo">167</span>import org.jfree.chart.event.AxisChangeListener;<a name="line.167"></a>
<span class="sourceLineNo">168</span>import org.jfree.chart.event.ChartChangeEventType;<a name="line.168"></a>
<span class="sourceLineNo">169</span>import org.jfree.chart.event.MarkerChangeEvent;<a name="line.169"></a>
<span class="sourceLineNo">170</span>import org.jfree.chart.event.MarkerChangeListener;<a name="line.170"></a>
<span class="sourceLineNo">171</span>import org.jfree.chart.event.PlotChangeEvent;<a name="line.171"></a>
<span class="sourceLineNo">172</span>import org.jfree.chart.event.PlotChangeListener;<a name="line.172"></a>
<span class="sourceLineNo">173</span>import org.jfree.data.general.DatasetChangeEvent;<a name="line.173"></a>
<span class="sourceLineNo">174</span>import org.jfree.data.general.DatasetChangeListener;<a name="line.174"></a>
<span class="sourceLineNo">175</span>import org.jfree.data.general.DatasetGroup;<a name="line.175"></a>
<span class="sourceLineNo">176</span>import org.jfree.io.SerialUtilities;<a name="line.176"></a>
<span class="sourceLineNo">177</span>import org.jfree.text.G2TextMeasurer;<a name="line.177"></a>
<span class="sourceLineNo">178</span>import org.jfree.text.TextBlock;<a name="line.178"></a>
<span class="sourceLineNo">179</span>import org.jfree.text.TextBlockAnchor;<a name="line.179"></a>
<span class="sourceLineNo">180</span>import org.jfree.text.TextUtilities;<a name="line.180"></a>
<span class="sourceLineNo">181</span>import org.jfree.ui.Align;<a name="line.181"></a>
<span class="sourceLineNo">182</span>import org.jfree.ui.RectangleEdge;<a name="line.182"></a>
<span class="sourceLineNo">183</span>import org.jfree.ui.RectangleInsets;<a name="line.183"></a>
<span class="sourceLineNo">184</span>import org.jfree.util.ObjectUtilities;<a name="line.184"></a>
<span class="sourceLineNo">185</span>import org.jfree.util.PaintUtilities;<a name="line.185"></a>
<span class="sourceLineNo">186</span>import org.jfree.util.PublicCloneable;<a name="line.186"></a>
<span class="sourceLineNo">187</span><a name="line.187"></a>
<span class="sourceLineNo">188</span>/**<a name="line.188"></a>
<span class="sourceLineNo">189</span> * The base class for all plots in JFreeChart.  The {@link JFreeChart} class<a name="line.189"></a>
<span class="sourceLineNo">190</span> * delegates the drawing of axes and data to the plot.  This base class<a name="line.190"></a>
<span class="sourceLineNo">191</span> * provides facilities common to most plot types.<a name="line.191"></a>
<span class="sourceLineNo">192</span> */<a name="line.192"></a>
<span class="sourceLineNo">193</span>public abstract class Plot implements AxisChangeListener,<a name="line.193"></a>
<span class="sourceLineNo">194</span>        DatasetChangeListener, AnnotationChangeListener, MarkerChangeListener,<a name="line.194"></a>
<span class="sourceLineNo">195</span>        LegendItemSource, PublicCloneable, Cloneable, Serializable {<a name="line.195"></a>
<span class="sourceLineNo">196</span><a name="line.196"></a>
<span class="sourceLineNo">197</span>    /** For serialization. */<a name="line.197"></a>
<span class="sourceLineNo">198</span>    private static final long serialVersionUID = -8831571430103671324L;<a name="line.198"></a>
<span class="sourceLineNo">199</span><a name="line.199"></a>
<span class="sourceLineNo">200</span>    /** Useful constant representing zero. */<a name="line.200"></a>
<span class="sourceLineNo">201</span>    public static final Number ZERO = new Integer(0);<a name="line.201"></a>
<span class="sourceLineNo">202</span><a name="line.202"></a>
<span class="sourceLineNo">203</span>    /** The default insets. */<a name="line.203"></a>
<span class="sourceLineNo">204</span>    public static final RectangleInsets DEFAULT_INSETS<a name="line.204"></a>
<span class="sourceLineNo">205</span>            = new RectangleInsets(4.0, 8.0, 4.0, 8.0);<a name="line.205"></a>
<span class="sourceLineNo">206</span><a name="line.206"></a>
<span class="sourceLineNo">207</span>    /** The default outline stroke. */<a name="line.207"></a>
<span class="sourceLineNo">208</span>    public static final Stroke DEFAULT_OUTLINE_STROKE = new BasicStroke(0.5f,<a name="line.208"></a>
<span class="sourceLineNo">209</span>            BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND);<a name="line.209"></a>
<span class="sourceLineNo">210</span><a name="line.210"></a>
<span class="sourceLineNo">211</span>    /** The default outline color. */<a name="line.211"></a>
<span class="sourceLineNo">212</span>    public static final Paint DEFAULT_OUTLINE_PAINT = Color.gray;<a name="line.212"></a>
<span class="sourceLineNo">213</span><a name="line.213"></a>
<span class="sourceLineNo">214</span>    /** The default foreground alpha transparency. */<a name="line.214"></a>
<span class="sourceLineNo">215</span>    public static final float DEFAULT_FOREGROUND_ALPHA = 1.0f;<a name="line.215"></a>
<span class="sourceLineNo">216</span><a name="line.216"></a>
<span class="sourceLineNo">217</span>    /** The default background alpha transparency. */<a name="line.217"></a>
<span class="sourceLineNo">218</span>    public static final float DEFAULT_BACKGROUND_ALPHA = 1.0f;<a name="line.218"></a>
<span class="sourceLineNo">219</span><a name="line.219"></a>
<span class="sourceLineNo">220</span>    /** The default background color. */<a name="line.220"></a>
<span class="sourceLineNo">221</span>    public static final Paint DEFAULT_BACKGROUND_PAINT = Color.white;<a name="line.221"></a>
<span class="sourceLineNo">222</span><a name="line.222"></a>
<span class="sourceLineNo">223</span>    /** The minimum width at which the plot should be drawn. */<a name="line.223"></a>
<span class="sourceLineNo">224</span>    public static final int MINIMUM_WIDTH_TO_DRAW = 10;<a name="line.224"></a>
<span class="sourceLineNo">225</span><a name="line.225"></a>
<span class="sourceLineNo">226</span>    /** The minimum height at which the plot should be drawn. */<a name="line.226"></a>
<span class="sourceLineNo">227</span>    public static final int MINIMUM_HEIGHT_TO_DRAW = 10;<a name="line.227"></a>
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<span class="sourceLineNo">257</span>     *<a name="line.257"></a>
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<span class="sourceLineNo">295</span>     * this).<a name="line.295"></a>
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<span class="sourceLineNo">327</span>    /**<a name="line.327"></a>
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<span class="sourceLineNo">350</span>     * Returns the string that is displayed when the dataset is empty or<a name="line.350"></a>
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<span class="sourceLineNo">352</span>     *<a name="line.352"></a>
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<span class="sourceLineNo">367</span>     *<a name="line.367"></a>
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<span class="sourceLineNo">379</span>     *<a name="line.379"></a>
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<span class="sourceLineNo">392</span>     *<a name="line.392"></a>
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<span class="sourceLineNo">405</span>    /**<a name="line.405"></a>
<span class="sourceLineNo">406</span>     * Returns the paint used to display the 'no data' message.<a name="line.406"></a>
<span class="sourceLineNo">407</span>     *<a name="line.407"></a>
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<span class="sourceLineNo">411</span>     * @see #getNoDataMessage()<a name="line.411"></a>
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<span class="sourceLineNo">418</span>     * Sets the paint used to display the 'no data' message and sends a<a name="line.418"></a>
<span class="sourceLineNo">419</span>     * {@link PlotChangeEvent} to all registered listeners.<a name="line.419"></a>
<span class="sourceLineNo">420</span>     *<a name="line.420"></a>
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<span class="sourceLineNo">423</span>     * @see #getNoDataMessagePaint()<a name="line.423"></a>
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<span class="sourceLineNo">432</span><a name="line.432"></a>
<span class="sourceLineNo">433</span>    /**<a name="line.433"></a>
<span class="sourceLineNo">434</span>     * Returns a short string describing the plot type.<a name="line.434"></a>
<span class="sourceLineNo">435</span>     * &lt;P&gt;<a name="line.435"></a>
<span class="sourceLineNo">436</span>     * Note: this gets used in the chart property editing user interface,<a name="line.436"></a>
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<span class="sourceLineNo">438</span>     *<a name="line.438"></a>
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<span class="sourceLineNo">490</span>     *<a name="line.490"></a>
<span class="sourceLineNo">491</span>     * @return &lt;code&gt;true&lt;/code&gt; if this plot is part of a combined plot<a name="line.491"></a>
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<span class="sourceLineNo">502</span>     *<a name="line.502"></a>
<span class="sourceLineNo">503</span>     * @return The insets (never &lt;code&gt;null&lt;/code&gt;).<a name="line.503"></a>
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<span class="sourceLineNo">514</span>     *<a name="line.514"></a>
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<span class="sourceLineNo">527</span>     *<a name="line.527"></a>
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<span class="sourceLineNo">549</span>     * Returns the background color of the plot area.<a name="line.549"></a>
<span class="sourceLineNo">550</span>     *<a name="line.550"></a>
<span class="sourceLineNo">551</span>     * @return The paint (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.551"></a>
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<span class="sourceLineNo">553</span>     * @see #setBackgroundPaint(Paint)<a name="line.553"></a>
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<span class="sourceLineNo">560</span>     * Sets the background color of the plot area and sends a<a name="line.560"></a>
<span class="sourceLineNo">561</span>     * {@link PlotChangeEvent} to all registered listeners.<a name="line.561"></a>
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<span class="sourceLineNo">565</span>     * @see #getBackgroundPaint()<a name="line.565"></a>
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<span class="sourceLineNo">586</span><a name="line.586"></a>
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<span class="sourceLineNo">588</span>     * Returns the alpha transparency of the plot area background.<a name="line.588"></a>
<span class="sourceLineNo">589</span>     *<a name="line.589"></a>
<span class="sourceLineNo">590</span>     * @return The alpha transparency.<a name="line.590"></a>
<span class="sourceLineNo">591</span>     *<a name="line.591"></a>
<span class="sourceLineNo">592</span>     * @see #setBackgroundAlpha(float)<a name="line.592"></a>
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<span class="sourceLineNo">597</span><a name="line.597"></a>
<span class="sourceLineNo">598</span>    /**<a name="line.598"></a>
<span class="sourceLineNo">599</span>     * Sets the alpha transparency of the plot area background, and notifies<a name="line.599"></a>
<span class="sourceLineNo">600</span>     * registered listeners that the plot has been modified.<a name="line.600"></a>
<span class="sourceLineNo">601</span>     *<a name="line.601"></a>
<span class="sourceLineNo">602</span>     * @param alpha the new alpha value (in the range 0.0f to 1.0f).<a name="line.602"></a>
<span class="sourceLineNo">603</span>     *<a name="line.603"></a>
<span class="sourceLineNo">604</span>     * @see #getBackgroundAlpha()<a name="line.604"></a>
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<span class="sourceLineNo">612</span><a name="line.612"></a>
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<span class="sourceLineNo">614</span>     * Returns the drawing supplier for the plot.<a name="line.614"></a>
<span class="sourceLineNo">615</span>     *<a name="line.615"></a>
<span class="sourceLineNo">616</span>     * @return The drawing supplier (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.616"></a>
<span class="sourceLineNo">617</span>     *<a name="line.617"></a>
<span class="sourceLineNo">618</span>     * @see #setDrawingSupplier(DrawingSupplier)<a name="line.618"></a>
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<span class="sourceLineNo">633</span>     * Sets the drawing supplier for the plot and sends a<a name="line.633"></a>
<span class="sourceLineNo">634</span>     * {@link PlotChangeEvent} to all registered listeners.  The drawing<a name="line.634"></a>
<span class="sourceLineNo">635</span>     * supplier is responsible for supplying a limitless (possibly repeating)<a name="line.635"></a>
<span class="sourceLineNo">636</span>     * sequence of &lt;code&gt;Paint&lt;/code&gt;, &lt;code&gt;Stroke&lt;/code&gt; and<a name="line.636"></a>
<span class="sourceLineNo">637</span>     * &lt;code&gt;Shape&lt;/code&gt; objects that the plot's renderer(s) can use to<a name="line.637"></a>
<span class="sourceLineNo">638</span>     * populate its (their) tables.<a name="line.638"></a>
<span class="sourceLineNo">639</span>     *<a name="line.639"></a>
<span class="sourceLineNo">640</span>     * @param supplier  the new supplier.<a name="line.640"></a>
<span class="sourceLineNo">641</span>     *<a name="line.641"></a>
<span class="sourceLineNo">642</span>     * @see #getDrawingSupplier()<a name="line.642"></a>
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<span class="sourceLineNo">650</span>     * Sets the drawing supplier for the plot and, if requested, sends a<a name="line.650"></a>
<span class="sourceLineNo">651</span>     * {@link PlotChangeEvent} to all registered listeners.  The drawing<a name="line.651"></a>
<span class="sourceLineNo">652</span>     * supplier is responsible for supplying a limitless (possibly repeating)<a name="line.652"></a>
<span class="sourceLineNo">653</span>     * sequence of &lt;code&gt;Paint&lt;/code&gt;, &lt;code&gt;Stroke&lt;/code&gt; and<a name="line.653"></a>
<span class="sourceLineNo">654</span>     * &lt;code&gt;Shape&lt;/code&gt; objects that the plot's renderer(s) can use to<a name="line.654"></a>
<span class="sourceLineNo">655</span>     * populate its (their) tables.<a name="line.655"></a>
<span class="sourceLineNo">656</span>     *<a name="line.656"></a>
<span class="sourceLineNo">657</span>     * @param supplier  the new supplier.<a name="line.657"></a>
<span class="sourceLineNo">658</span>     * @param notify  notify listeners?<a name="line.658"></a>
<span class="sourceLineNo">659</span>     *<a name="line.659"></a>
<span class="sourceLineNo">660</span>     * @see #getDrawingSupplier()<a name="line.660"></a>
<span class="sourceLineNo">661</span>     *<a name="line.661"></a>
<span class="sourceLineNo">662</span>     * @since 1.0.11<a name="line.662"></a>
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<span class="sourceLineNo">672</span>     * Returns the background image that is used to fill the plot's background<a name="line.672"></a>
<span class="sourceLineNo">673</span>     * area.<a name="line.673"></a>
<span class="sourceLineNo">674</span>     *<a name="line.674"></a>
<span class="sourceLineNo">675</span>     * @return The image (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.675"></a>
<span class="sourceLineNo">676</span>     *<a name="line.676"></a>
<span class="sourceLineNo">677</span>     * @see #setBackgroundImage(Image)<a name="line.677"></a>
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<span class="sourceLineNo">682</span><a name="line.682"></a>
<span class="sourceLineNo">683</span>    /**<a name="line.683"></a>
<span class="sourceLineNo">684</span>     * Sets the background image for the plot and sends a<a name="line.684"></a>
<span class="sourceLineNo">685</span>     * {@link PlotChangeEvent} to all registered listeners.<a name="line.685"></a>
<span class="sourceLineNo">686</span>     *<a name="line.686"></a>
<span class="sourceLineNo">687</span>     * @param image  the image (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.687"></a>
<span class="sourceLineNo">688</span>     *<a name="line.688"></a>
<span class="sourceLineNo">689</span>     * @see #getBackgroundImage()<a name="line.689"></a>
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<span class="sourceLineNo">695</span><a name="line.695"></a>
<span class="sourceLineNo">696</span>    /**<a name="line.696"></a>
<span class="sourceLineNo">697</span>     * Returns the background image alignment. Alignment constants are defined<a name="line.697"></a>
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<span class="sourceLineNo">699</span>     * library.<a name="line.699"></a>
<span class="sourceLineNo">700</span>     *<a name="line.700"></a>
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<span class="sourceLineNo">702</span>     *<a name="line.702"></a>
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<span class="sourceLineNo">708</span><a name="line.708"></a>
<span class="sourceLineNo">709</span>    /**<a name="line.709"></a>
<span class="sourceLineNo">710</span>     * Sets the alignment for the background image and sends a<a name="line.710"></a>
<span class="sourceLineNo">711</span>     * {@link PlotChangeEvent} to all registered listeners.  Alignment options<a name="line.711"></a>
<span class="sourceLineNo">712</span>     * are defined by the {@link org.jfree.ui.Align} class in the JCommon<a name="line.712"></a>
<span class="sourceLineNo">713</span>     * class library.<a name="line.713"></a>
<span class="sourceLineNo">714</span>     *<a name="line.714"></a>
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<span class="sourceLineNo">727</span>     * Returns the alpha transparency used to draw the background image.  This<a name="line.727"></a>
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<span class="sourceLineNo">730</span>     *<a name="line.730"></a>
<span class="sourceLineNo">731</span>     * @return The alpha transparency.<a name="line.731"></a>
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<span class="sourceLineNo">741</span>     *<a name="line.741"></a>
<span class="sourceLineNo">742</span>     * @param alpha  the alpha transparency (in the range 0.0f to 1.0f, where<a name="line.742"></a>
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<span class="sourceLineNo">950</span>     *<a name="line.950"></a>
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<span class="sourceLineNo">998</span>     * @param parentState  the parent state (if any).<a name="line.998"></a>
<span class="sourceLineNo">999</span>     * @param info  carries back plot rendering info.<a name="line.999"></a>
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<span class="sourceLineNo">1002</span>                              Rectangle2D area,<a name="line.1002"></a>
<span class="sourceLineNo">1003</span>                              Point2D anchor,<a name="line.1003"></a>
<span class="sourceLineNo">1004</span>                              PlotState parentState,<a name="line.1004"></a>
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<span class="sourceLineNo">1006</span><a name="line.1006"></a>
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<span class="sourceLineNo">1008</span>     * Draws the plot background (the background color and/or image).<a name="line.1008"></a>
<span class="sourceLineNo">1009</span>     * &lt;P&gt;<a name="line.1009"></a>
<span class="sourceLineNo">1010</span>     * This method will be called during the chart drawing process and is<a name="line.1010"></a>
<span class="sourceLineNo">1011</span>     * declared public so that it can be accessed by the renderers used by<a name="line.1011"></a>
<span class="sourceLineNo">1012</span>     * certain subclasses.  You shouldn't need to call this method directly.<a name="line.1012"></a>
<span class="sourceLineNo">1013</span>     *<a name="line.1013"></a>
<span class="sourceLineNo">1014</span>     * @param g2  the graphics device.<a name="line.1014"></a>
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<span class="sourceLineNo">1017</span>    public void drawBackground(Graphics2D g2, Rectangle2D area) {<a name="line.1017"></a>
<span class="sourceLineNo">1018</span>        // some subclasses override this method completely, so don't put<a name="line.1018"></a>
<span class="sourceLineNo">1019</span>        // anything here that *must* be done<a name="line.1019"></a>
<span class="sourceLineNo">1020</span>        fillBackground(g2, area);<a name="line.1020"></a>
<span class="sourceLineNo">1021</span>        drawBackgroundImage(g2, area);<a name="line.1021"></a>
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<span class="sourceLineNo">1023</span><a name="line.1023"></a>
<span class="sourceLineNo">1024</span>    /**<a name="line.1024"></a>
<span class="sourceLineNo">1025</span>     * Fills the specified area with the background paint.<a name="line.1025"></a>
<span class="sourceLineNo">1026</span>     *<a name="line.1026"></a>
<span class="sourceLineNo">1027</span>     * @param g2  the graphics device.<a name="line.1027"></a>
<span class="sourceLineNo">1028</span>     * @param area  the area.<a name="line.1028"></a>
<span class="sourceLineNo">1029</span>     *<a name="line.1029"></a>
<span class="sourceLineNo">1030</span>     * @see #getBackgroundPaint()<a name="line.1030"></a>
<span class="sourceLineNo">1031</span>     * @see #getBackgroundAlpha()<a name="line.1031"></a>
<span class="sourceLineNo">1032</span>     * @see #fillBackground(Graphics2D, Rectangle2D, PlotOrientation)<a name="line.1032"></a>
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<span class="sourceLineNo">1034</span>    protected void fillBackground(Graphics2D g2, Rectangle2D area) {<a name="line.1034"></a>
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<span class="sourceLineNo">1037</span><a name="line.1037"></a>
<span class="sourceLineNo">1038</span>    /**<a name="line.1038"></a>
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<span class="sourceLineNo">1040</span>     * paint is an instance of &lt;code&gt;GradientPaint&lt;/code&gt;, the gradient will<a name="line.1040"></a>
<span class="sourceLineNo">1041</span>     * run in the direction suggested by the plot's orientation.<a name="line.1041"></a>
<span class="sourceLineNo">1042</span>     *<a name="line.1042"></a>
<span class="sourceLineNo">1043</span>     * @param g2  the graphics target.<a name="line.1043"></a>
<span class="sourceLineNo">1044</span>     * @param area  the plot area.<a name="line.1044"></a>
<span class="sourceLineNo">1045</span>     * @param orientation  the plot orientation (&lt;code&gt;null&lt;/code&gt; not<a name="line.1045"></a>
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<span class="sourceLineNo">1047</span>     *<a name="line.1047"></a>
<span class="sourceLineNo">1048</span>     * @since 1.0.6<a name="line.1048"></a>
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<span class="sourceLineNo">1063</span>                        (float) area.getMaxY(), gp.getColor1(),<a name="line.1063"></a>
<span class="sourceLineNo">1064</span>                        (float) area.getCenterX(), (float) area.getMinY(),<a name="line.1064"></a>
<span class="sourceLineNo">1065</span>                        gp.getColor2());<a name="line.1065"></a>
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<span class="sourceLineNo">1068</span>                p = new GradientPaint((float) area.getMinX(),<a name="line.1068"></a>
<span class="sourceLineNo">1069</span>                        (float) area.getCenterY(), gp.getColor1(),<a name="line.1069"></a>
<span class="sourceLineNo">1070</span>                        (float) area.getMaxX(), (float) area.getCenterY(),<a name="line.1070"></a>
<span class="sourceLineNo">1071</span>                        gp.getColor2());<a name="line.1071"></a>
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<span class="sourceLineNo">1076</span>                this.backgroundAlpha));<a name="line.1076"></a>
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<span class="sourceLineNo">1078</span>        g2.fill(area);<a name="line.1078"></a>
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<span class="sourceLineNo">1081</span><a name="line.1081"></a>
<span class="sourceLineNo">1082</span>    /**<a name="line.1082"></a>
<span class="sourceLineNo">1083</span>     * Draws the background image (if there is one) aligned within the<a name="line.1083"></a>
<span class="sourceLineNo">1084</span>     * specified area.<a name="line.1084"></a>
<span class="sourceLineNo">1085</span>     *<a name="line.1085"></a>
<span class="sourceLineNo">1086</span>     * @param g2  the graphics device.<a name="line.1086"></a>
<span class="sourceLineNo">1087</span>     * @param area  the area.<a name="line.1087"></a>
<span class="sourceLineNo">1088</span>     *<a name="line.1088"></a>
<span class="sourceLineNo">1089</span>     * @see #getBackgroundImage()<a name="line.1089"></a>
<span class="sourceLineNo">1090</span>     * @see #getBackgroundImageAlignment()<a name="line.1090"></a>
<span class="sourceLineNo">1091</span>     * @see #getBackgroundImageAlpha()<a name="line.1091"></a>
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<span class="sourceLineNo">1099</span>                this.backgroundImageAlpha));<a name="line.1099"></a>
<span class="sourceLineNo">1100</span>        Rectangle2D dest = new Rectangle2D.Double(0.0, 0.0,<a name="line.1100"></a>
<span class="sourceLineNo">1101</span>                this.backgroundImage.getWidth(null),<a name="line.1101"></a>
<span class="sourceLineNo">1102</span>                this.backgroundImage.getHeight(null));<a name="line.1102"></a>
<span class="sourceLineNo">1103</span>        Align.align(dest, area, this.backgroundImageAlignment);<a name="line.1103"></a>
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<span class="sourceLineNo">1105</span>        g2.clip(area);<a name="line.1105"></a>
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<span class="sourceLineNo">1107</span>                (int) dest.getY(), (int) dest.getWidth() + 1,<a name="line.1107"></a>
<span class="sourceLineNo">1108</span>                (int) dest.getHeight() + 1, null);<a name="line.1108"></a>
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<span class="sourceLineNo">1112</span><a name="line.1112"></a>
<span class="sourceLineNo">1113</span>    /**<a name="line.1113"></a>
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<span class="sourceLineNo">1115</span>     * drawing process and is declared public so that it can be accessed by the<a name="line.1115"></a>
<span class="sourceLineNo">1116</span>     * renderers used by certain subclasses. You shouldn't need to call this<a name="line.1116"></a>
<span class="sourceLineNo">1117</span>     * method directly.<a name="line.1117"></a>
<span class="sourceLineNo">1118</span>     *<a name="line.1118"></a>
<span class="sourceLineNo">1119</span>     * @param g2  the graphics device.<a name="line.1119"></a>
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<span class="sourceLineNo">1133</span>    /**<a name="line.1133"></a>
<span class="sourceLineNo">1134</span>     * Draws a message to state that there is no data to plot.<a name="line.1134"></a>
<span class="sourceLineNo">1135</span>     *<a name="line.1135"></a>
<span class="sourceLineNo">1136</span>     * @param g2  the graphics device.<a name="line.1136"></a>
<span class="sourceLineNo">1137</span>     * @param area  the area within which the plot should be drawn.<a name="line.1137"></a>
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<span class="sourceLineNo">1145</span>            g2.setPaint(this.noDataMessagePaint);<a name="line.1145"></a>
<span class="sourceLineNo">1146</span>            TextBlock block = TextUtilities.createTextBlock(<a name="line.1146"></a>
<span class="sourceLineNo">1147</span>                    this.noDataMessage, this.noDataMessageFont,<a name="line.1147"></a>
<span class="sourceLineNo">1148</span>                    this.noDataMessagePaint, 0.9f * (float) area.getWidth(),<a name="line.1148"></a>
<span class="sourceLineNo">1149</span>                    new G2TextMeasurer(g2));<a name="line.1149"></a>
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<span class="sourceLineNo">1155</span><a name="line.1155"></a>
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<span class="sourceLineNo">1157</span>     * Creates a plot entity that contains a reference to the plot and the<a name="line.1157"></a>
<span class="sourceLineNo">1158</span>     * data area as shape.<a name="line.1158"></a>
<span class="sourceLineNo">1159</span>     *<a name="line.1159"></a>
<span class="sourceLineNo">1160</span>     * @param dataArea  the data area used as hot spot for the entity.<a name="line.1160"></a>
<span class="sourceLineNo">1161</span>     * @param plotState  the plot rendering info containing a reference to the<a name="line.1161"></a>
<span class="sourceLineNo">1162</span>     *     EntityCollection.<a name="line.1162"></a>
<span class="sourceLineNo">1163</span>     * @param toolTip  the tool tip (defined in the respective Plot<a name="line.1163"></a>
<span class="sourceLineNo">1164</span>     *     subclass) (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.1164"></a>
<span class="sourceLineNo">1165</span>     * @param urlText  the url (defined in the respective Plot subclass)<a name="line.1165"></a>
<span class="sourceLineNo">1166</span>     *     (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.1166"></a>
<span class="sourceLineNo">1167</span>     *<a name="line.1167"></a>
<span class="sourceLineNo">1168</span>     *  @since 1.0.13<a name="line.1168"></a>
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<span class="sourceLineNo">1175</span>                e.add(new PlotEntity(dataArea, this, toolTip, urlText));<a name="line.1175"></a>
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<span class="sourceLineNo">1180</span>    /**<a name="line.1180"></a>
<span class="sourceLineNo">1181</span>     * Handles a 'click' on the plot.  Since the plot does not maintain any<a name="line.1181"></a>
<span class="sourceLineNo">1182</span>     * information about where it has been drawn, the plot rendering info is<a name="line.1182"></a>
<span class="sourceLineNo">1183</span>     * supplied as an argument so that the plot dimensions can be determined.<a name="line.1183"></a>
<span class="sourceLineNo">1184</span>     *<a name="line.1184"></a>
<span class="sourceLineNo">1185</span>     * @param x  the x coordinate (in Java2D space).<a name="line.1185"></a>
<span class="sourceLineNo">1186</span>     * @param y  the y coordinate (in Java2D space).<a name="line.1186"></a>
<span class="sourceLineNo">1187</span>     * @param info  an object containing information about the dimensions of<a name="line.1187"></a>
<span class="sourceLineNo">1188</span>     *              the plot.<a name="line.1188"></a>
<span class="sourceLineNo">1189</span>     */<a name="line.1189"></a>
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<span class="sourceLineNo">1191</span>        // provides a 'no action' default<a name="line.1191"></a>
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<span class="sourceLineNo">1193</span><a name="line.1193"></a>
<span class="sourceLineNo">1194</span>    /**<a name="line.1194"></a>
<span class="sourceLineNo">1195</span>     * Performs a zoom on the plot.  Subclasses should override if zooming is<a name="line.1195"></a>
<span class="sourceLineNo">1196</span>     * appropriate for the type of plot.<a name="line.1196"></a>
<span class="sourceLineNo">1197</span>     *<a name="line.1197"></a>
<span class="sourceLineNo">1198</span>     * @param percent  the zoom percentage.<a name="line.1198"></a>
<span class="sourceLineNo">1199</span>     */<a name="line.1199"></a>
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<span class="sourceLineNo">1203</span><a name="line.1203"></a>
<span class="sourceLineNo">1204</span>    /**<a name="line.1204"></a>
<span class="sourceLineNo">1205</span>     * Receives notification of a change to an {@link Annotation} added to<a name="line.1205"></a>
<span class="sourceLineNo">1206</span>     * this plot.<a name="line.1206"></a>
<span class="sourceLineNo">1207</span>     *<a name="line.1207"></a>
<span class="sourceLineNo">1208</span>     * @param event  information about the event (not used here).<a name="line.1208"></a>
<span class="sourceLineNo">1209</span>     *<a name="line.1209"></a>
<span class="sourceLineNo">1210</span>     * @since 1.0.14<a name="line.1210"></a>
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<span class="sourceLineNo">1215</span><a name="line.1215"></a>
<span class="sourceLineNo">1216</span>    /**<a name="line.1216"></a>
<span class="sourceLineNo">1217</span>     * Receives notification of a change to one of the plot's axes.<a name="line.1217"></a>
<span class="sourceLineNo">1218</span>     *<a name="line.1218"></a>
<span class="sourceLineNo">1219</span>     * @param event  information about the event (not used here).<a name="line.1219"></a>
<span class="sourceLineNo">1220</span>     */<a name="line.1220"></a>
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<span class="sourceLineNo">1224</span><a name="line.1224"></a>
<span class="sourceLineNo">1225</span>    /**<a name="line.1225"></a>
<span class="sourceLineNo">1226</span>     * Receives notification of a change to the plot's dataset.<a name="line.1226"></a>
<span class="sourceLineNo">1227</span>     * &lt;P&gt;<a name="line.1227"></a>
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<span class="sourceLineNo">1368</span>     *<a name="line.1368"></a>
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<span class="sourceLineNo">1370</span>     *<a name="line.1370"></a>
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<span class="sourceLineNo">1392</span>     *<a name="line.1392"></a>
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<span class="sourceLineNo">1475</span>            else if (orientation == PlotOrientation.VERTICAL) {<a name="line.1475"></a>
<span class="sourceLineNo">1476</span>                result = RectangleEdge.BOTTOM;<a name="line.1476"></a>
<span class="sourceLineNo">1477</span>            }<a name="line.1477"></a>
<span class="sourceLineNo">1478</span>        }<a name="line.1478"></a>
<span class="sourceLineNo">1479</span>        // the above should cover all the options...<a name="line.1479"></a>
<span class="sourceLineNo">1480</span>        if (result == null) {<a name="line.1480"></a>
<span class="sourceLineNo">1481</span>            throw new IllegalStateException("resolveDomainAxisLocation()");<a name="line.1481"></a>
<span class="sourceLineNo">1482</span>        }<a name="line.1482"></a>
<span class="sourceLineNo">1483</span>        return result;<a name="line.1483"></a>
<span class="sourceLineNo">1484</span><a name="line.1484"></a>
<span class="sourceLineNo">1485</span>    }<a name="line.1485"></a>
<span class="sourceLineNo">1486</span><a name="line.1486"></a>
<span class="sourceLineNo">1487</span>    /**<a name="line.1487"></a>
<span class="sourceLineNo">1488</span>     * Resolves a range axis location for a given plot orientation.<a name="line.1488"></a>
<span class="sourceLineNo">1489</span>     *<a name="line.1489"></a>
<span class="sourceLineNo">1490</span>     * @param location  the location (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.1490"></a>
<span class="sourceLineNo">1491</span>     * @param orientation  the orientation (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.1491"></a>
<span class="sourceLineNo">1492</span>     *<a name="line.1492"></a>
<span class="sourceLineNo">1493</span>     * @return The edge (never &lt;code&gt;null&lt;/code&gt;).<a name="line.1493"></a>
<span class="sourceLineNo">1494</span>     */<a name="line.1494"></a>
<span class="sourceLineNo">1495</span>    public static RectangleEdge resolveRangeAxisLocation(<a name="line.1495"></a>
<span class="sourceLineNo">1496</span>            AxisLocation location, PlotOrientation orientation) {<a name="line.1496"></a>
<span class="sourceLineNo">1497</span><a name="line.1497"></a>
<span class="sourceLineNo">1498</span>        if (location == null) {<a name="line.1498"></a>
<span class="sourceLineNo">1499</span>            throw new IllegalArgumentException("Null 'location' argument.");<a name="line.1499"></a>
<span class="sourceLineNo">1500</span>        }<a name="line.1500"></a>
<span class="sourceLineNo">1501</span>        if (orientation == null) {<a name="line.1501"></a>
<span class="sourceLineNo">1502</span>            throw new IllegalArgumentException("Null 'orientation' argument.");<a name="line.1502"></a>
<span class="sourceLineNo">1503</span>        }<a name="line.1503"></a>
<span class="sourceLineNo">1504</span><a name="line.1504"></a>
<span class="sourceLineNo">1505</span>        RectangleEdge result = null;<a name="line.1505"></a>
<span class="sourceLineNo">1506</span><a name="line.1506"></a>
<span class="sourceLineNo">1507</span>        if (location == AxisLocation.TOP_OR_RIGHT) {<a name="line.1507"></a>
<span class="sourceLineNo">1508</span>            if (orientation == PlotOrientation.HORIZONTAL) {<a name="line.1508"></a>
<span class="sourceLineNo">1509</span>                result = RectangleEdge.TOP;<a name="line.1509"></a>
<span class="sourceLineNo">1510</span>            }<a name="line.1510"></a>
<span class="sourceLineNo">1511</span>            else if (orientation == PlotOrientation.VERTICAL) {<a name="line.1511"></a>
<span class="sourceLineNo">1512</span>                result = RectangleEdge.RIGHT;<a name="line.1512"></a>
<span class="sourceLineNo">1513</span>            }<a name="line.1513"></a>
<span class="sourceLineNo">1514</span>        }<a name="line.1514"></a>
<span class="sourceLineNo">1515</span>        else if (location == AxisLocation.TOP_OR_LEFT) {<a name="line.1515"></a>
<span class="sourceLineNo">1516</span>            if (orientation == PlotOrientation.HORIZONTAL) {<a name="line.1516"></a>
<span class="sourceLineNo">1517</span>                result = RectangleEdge.TOP;<a name="line.1517"></a>
<span class="sourceLineNo">1518</span>            }<a name="line.1518"></a>
<span class="sourceLineNo">1519</span>            else if (orientation == PlotOrientation.VERTICAL) {<a name="line.1519"></a>
<span class="sourceLineNo">1520</span>                result = RectangleEdge.LEFT;<a name="line.1520"></a>
<span class="sourceLineNo">1521</span>            }<a name="line.1521"></a>
<span class="sourceLineNo">1522</span>        }<a name="line.1522"></a>
<span class="sourceLineNo">1523</span>        else if (location == AxisLocation.BOTTOM_OR_RIGHT) {<a name="line.1523"></a>
<span class="sourceLineNo">1524</span>            if (orientation == PlotOrientation.HORIZONTAL) {<a name="line.1524"></a>
<span class="sourceLineNo">1525</span>                result = RectangleEdge.BOTTOM;<a name="line.1525"></a>
<span class="sourceLineNo">1526</span>            }<a name="line.1526"></a>
<span class="sourceLineNo">1527</span>            else if (orientation == PlotOrientation.VERTICAL) {<a name="line.1527"></a>
<span class="sourceLineNo">1528</span>                result = RectangleEdge.RIGHT;<a name="line.1528"></a>
<span class="sourceLineNo">1529</span>            }<a name="line.1529"></a>
<span class="sourceLineNo">1530</span>        }<a name="line.1530"></a>
<span class="sourceLineNo">1531</span>        else if (location == AxisLocation.BOTTOM_OR_LEFT) {<a name="line.1531"></a>
<span class="sourceLineNo">1532</span>            if (orientation == PlotOrientation.HORIZONTAL) {<a name="line.1532"></a>
<span class="sourceLineNo">1533</span>                result = RectangleEdge.BOTTOM;<a name="line.1533"></a>
<span class="sourceLineNo">1534</span>            }<a name="line.1534"></a>
<span class="sourceLineNo">1535</span>            else if (orientation == PlotOrientation.VERTICAL) {<a name="line.1535"></a>
<span class="sourceLineNo">1536</span>                result = RectangleEdge.LEFT;<a name="line.1536"></a>
<span class="sourceLineNo">1537</span>            }<a name="line.1537"></a>
<span class="sourceLineNo">1538</span>        }<a name="line.1538"></a>
<span class="sourceLineNo">1539</span><a name="line.1539"></a>
<span class="sourceLineNo">1540</span>        // the above should cover all the options...<a name="line.1540"></a>
<span class="sourceLineNo">1541</span>        if (result == null) {<a name="line.1541"></a>
<span class="sourceLineNo">1542</span>            throw new IllegalStateException("resolveRangeAxisLocation()");<a name="line.1542"></a>
<span class="sourceLineNo">1543</span>        }<a name="line.1543"></a>
<span class="sourceLineNo">1544</span>        return result;<a name="line.1544"></a>
<span class="sourceLineNo">1545</span><a name="line.1545"></a>
<span class="sourceLineNo">1546</span>    }<a name="line.1546"></a>
<span class="sourceLineNo">1547</span><a name="line.1547"></a>
<span class="sourceLineNo">1548</span>}<a name="line.1548"></a>




























































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